Re: Two tiny tweaks to c.nanorc

[Benno Schulenberg]

Op 02-09-2020 om 19:02 schreef Hussam al-Homsi:
> Patch 1: Highlight uppercase single character C identifiers as constants.
> 
> Patch 2: Highlight the C null directive.


>  # Constants.
> -color brightred "\<[A-Z_][0-9A-Z_]+\>"
> +color brightred "\<[A-Z_][0-9A-Z_]*\>"

Good.  This will color also the single-underscore macro -- only now I realize
that it should have been all along.

>  # Preprocessor directives.
>  color brightcyan 
> start="^[[:space:]]*#[[:space:]]*(if(n?def)?|elif|warning|error|pragma)\>" 
> end="(\`|[^\\])$"
> -color brightcyan 
> "^[[:space:]]*#[[:space:]]*(define|else|endif|include(_next)?|undef)\>"
> +color brightcyan 
> "^[[:space:]]*#[[:space:]]*((define|else|endif|include(_next)?|undef)\>)?"

This is not precise enough.  A stray "#" in the leading whitespace of a line
of text would get colored as a directive, which is not right.  Instead of
")?" at the end I think it should be "|$)".  Do you agree?

Benno

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